著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Naruyoshi Asano and Yusuke Kato,Recursion Operators for N×N Matrix Nonlinear Evolution Equations,Progress of theoretical physics = 理論物理学の進歩,0033068X,Kyoto : Publication Office,1985-11,74,5,p1005-1012,https://cir.nii.ac.jp/crid/1523669555290584960,https://doi.org/10.1143/ptp.74.1005